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What I did:

  1. Open system settings, Network, Wireless.
  2. Clicked "Create Hotspot"
  3. (Nothing happened). Clicked network icon in panel
  4. Create New wireless network
  5. Entered name and password
  6. Entered SSID "ubuntu"
  7. set IPV6 setting to Ignored (default)
  8. Tried Create-Hotspot again and failed!
  9. Error message : "WIFI Disconnected"
I'll update any necessary info here as you request.

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  • i tried the steps mentioned by shivshnkr... but i find the following situation ****" **spartacus@spartacus:~$ sudo ap-hotspot configure Detecting configuration... Detected tun0 as the network interface connected to the Internet. Press ENTER if this is correct or enter the desired interface below (e.g.- eth0, ppp0 etc.): Detected wlan0 as your WiFi interface. Press ENTER if this is correct or enter the desired interface (e.g.- wlan1): Enter the desired Access Point name or press ENTER to use the default one (myhotspot): Enter the desired WPA Passphrase below or press ENTER to use the default on
    – user270771
    Apr 19, 2014 at 5:41

2 Answers 2

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This have bugged me for quite some time, especially after any fresh installs or updates. I found a solution which worked perfectly for me. For those of you who have the same trouble with their laptop wifi [Toshiba or HP laptop-wifi-drivers in particular] this will surely help you.

  1. Deactivate currently active Broadcom drivers from additional-drivers. Blacklist BCMA and BRCM80211 by typing in terminal:

    echo "blacklist bcma" | sudo tee -a /etc/modprobe.d/blacklist.conf
echo "blacklist brcm80211" | sudo tee -a /etc/modprobe.d/blacklist.conf
  2. Reboot now and download Synaptic Package Manager (makes it easier to find our files).
  3. Search "bcm43" and download these 4 (they might prompt for some other dependency files - just accept them too)
    • bcmwl-kernel-source
    • broadcom-sta-common
    • broadcom-sta-source
    • firmware-b43-installer
  4. Reboot
  5. Now, you may check if your wifi is working (testing your hotspot or connecting to a network etc.)
  6. If it isn't, then go to additional-drivers and activate the newly downloaded drivers followed by a reboot.

Note: additional drivers are found in System-settings > Software sources > additional drivers

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If you simply want a hotspot, you could try installing ap-hotspot. It works fine for connecting to almost all wifi devices, android phones, etc.

To install it:

$ sudo add-apt-repository ppa:nilarimogard/webupd8
$ sudo apt-get update
$ sudo apt-get install ap-hotspot

Next, to start the hotspot:

$ sudo ap-hotspot start

It asks you which adapter's internet you want to share, name of the network, password, etc. in an interactive manner.

To stop the hotspot : 

$ sudo ap-hotspot stop

To configure it:

$ sudo ap-hotspot configure

If any problem, hope this link helps.

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